SOLUTION: What is the phase shift of y= 3- 4 cos pi/2 (2x+ 1/2)
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Question 916450: What is the phase shift of y= 3- 4 cos pi/2 (2x+ 1/2)
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
What is the phase shift of y= 3- 4 cos pi/2 (2x+ 1/2)
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form of equation for cos function:
y=Acos(Bx-C)+d, A=amplitude,Period=2π/B,Phase shift=C/B,d=vertical shift
For given equation:
Rewrite:
y=-4cos(π/2*2x+π/2*1/2)+3
y=-4cos(πx+π/4)+3
B=π
C=π/4
phase shift=C/B=(π/4)/π=1/4
phase shift=1/4 (shift to the left)
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